45438045 has 16 divisors (see below), whose sum is σ = 74475072. Its totient is φ = 23642240.

The previous prime is 45438037. The next prime is 45438061. The reversal of 45438045 is 54083454.

It is not a de Polignac number, because 45438045 - 2³ = 45438037 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45437997 and 45438015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36327 + ... + 37556.

It is an arithmetic number, because the mean of its divisors is an integer number (4654692).

Almost surely, 2^45438045 is an apocalyptic number.

It is an amenable number.

45438045 is a deficient number, since it is larger than the sum of its proper divisors (29037027).

45438045 is a wasteful number, since it uses less digits than its factorization.

45438045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73932.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 45438045 is about 6740.7748070975. The cubic root of 45438045 is about 356.8397385015.

The spelling of 45438045 in words is "forty-five million, four hundred thirty-eight thousand, forty-five".